import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

import java.io.IOException;
import java.io.PrintWriter;
@WebServlet("/m")
public class ServletA extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
       req.getSession().invalidate();
       resp.setContentType("text/html;charset=utf-8");
        PrintWriter out=resp.getWriter();
        out.println("注销成功");
    }
}
